package com.gwg.dao;

import com.baomidou.mybatisplus.mapper.BaseMapper;
import com.fly.common.model.OrderEntity;
import org.apache.ibatis.annotations.Select;
import org.springframework.stereotype.Repository;

/**
 * @description
 * @author: liying.fu
 * @Date: 2018/11/25 下午12:51
 */
@Repository
public interface DemoDao extends BaseMapper<OrderEntity> {

    @Select(value = "select count(*) from order_info")
    int countDemo();
}
